diff --git a/basis/ftp/server/server-tests.factor b/basis/ftp/server/server-tests.factor
index 515a64a094..2572f36cb0 100644
--- a/basis/ftp/server/server-tests.factor
+++ b/basis/ftp/server/server-tests.factor
@@ -1,7 +1,7 @@
 USING: calendar ftp.server io.encodings.ascii io.files
 io.files.unique namespaces threads tools.test kernel
 io.servers.connection ftp.client accessors urls
-io.pathnames io.directories sequences fry ;
+io.pathnames io.directories sequences fry io.backend ;
 FROM: ftp.client => ftp-get ;
 IN: ftp.server.tests
 
diff --git a/basis/images/testing/testing.factor b/basis/images/testing/testing.factor
index ce51fd4669..a6644ed710 100644
--- a/basis/images/testing/testing.factor
+++ b/basis/images/testing/testing.factor
@@ -3,7 +3,7 @@
 USING: fry images.loader images.normalization images.viewer io
 io.directories io.encodings.binary io.files io.pathnames
 io.streams.byte-array kernel locals namespaces quotations
-sequences serialize tools.test ;
+sequences serialize tools.test io.backend ;
 IN: images.testing
 
 <PRIVATE
diff --git a/extra/space-invaders/space-invaders.factor b/extra/space-invaders/space-invaders.factor
index 7dedb66d67..07b5608a76 100755
--- a/extra/space-invaders/space-invaders.factor
+++ b/extra/space-invaders/space-invaders.factor
@@ -65,7 +65,7 @@ CONSTANT: SOUND-WALK4        7
 CONSTANT: SOUND-UFO-HIT      8 
 
 : init-sound ( index cpu filename  -- )
-  absolte-path swapd [ sounds>> nth AL_BUFFER ] dip
+  absolute-path swapd [ sounds>> nth AL_BUFFER ] dip
   create-buffer-from-wav set-source-param ; 
 
 : init-sounds ( cpu -- )